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Case Report: A Novel Reconstruction Method (Itihaas's Anastomosis) for Proximal Gastrectomy
Birendra Kumar Sah1, Zhenjia Yu1, Chen Li1
1Gastrointestinal Surgery Unit, Department of General Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin Er Road, Shanghai 200025, China.
Healthcare (Basel, Switzerland)
|July 29, 2025
Summary
Itihaas's Anastomosis is a new surgical technique for upper gastrointestinal reconstruction after proximal gastrectomy. This method aims to reduce acid reflux syndrome, a common complication, with early results showing feasibility.
Area of Science:
- Surgical Innovation
- Gastrointestinal Surgery
- Oncology
Background:
- Proximal gastrectomy for upper gastrointestinal (UGI) adenocarcinoma can lead to acid reflux syndrome.
- Current reconstruction methods may not fully address postoperative reflux complications.
Observation:
- A novel surgical reconstruction, Itihaas's Anastomosis, involves three side-to-side anastomoses: esophago-gastrostomy, gastro-jejunostomy, and jejuno-jejunostomy.
- The procedure aims to create a fundus-like structure to prevent esophageal reflux and divert gastric acid.
- A single case of a 75-year-old male with UGI adenocarcinoma demonstrated technical feasibility with no major postoperative complications.
Findings:
- The described surgical technique theoretically reduces acid reflux by creating specific anastomoses.
- Postoperative outcomes in the initial case were positive, with no leaks and successful resumption of oral intake.
- The patient experienced no signs of reflux post-discharge.
Implications:
- Itihaas's Anastomosis offers a potential new approach to mitigate acid reflux after proximal gastrectomy.
- Further validation through systematic studies is required to confirm long-term efficacy and compare it with existing techniques.
- Objective assessments are needed to substantiate the claimed anti-reflux benefits.

